C/2017 S3 NEW OUTBURST JULY 15 Taken by Michael Jaeger on July 15, 2018 @ Weißenkirchen Austria

C/2017 S3 Panstarrs has a second outburst. After the first in early July, he could not keep the brightness and was weaker again. But on July 15 the comet was 9 mag again and also showed an ion tail. Image taken on July 15 1.00 UT
with 12/4 G and B 3x150sec,
red 1x150 and 6x60sec UV/IR,
coma 4, tail 25
MJ